------------[ cut here ]------------
WARNING: at /build/buildd/linux-2.6.35/net/wireless/scan.c:580 cfg80211_inform_bss_frame+0x1e0/0x1f0 [cfg80211]()
Hardware name: MacBook3,1
Modules linked in: arc4 zd1211rw mac80211 cfg80211 usb_storage hidp binfmt_misc parport_pc ppdev uvcvideo videodev v4l1_compat v4l2_compat_ioctl32 rfcomm sco bnep l2cap btusb bluetooth snd_hda_codec_realtek lib80211_crypt_tkip i915 snd_hda_intel wl(P) snd_hda_codec drm_kms_helper appletouch snd_hwdep snd_pcm snd_seq_midi joydev snd_rawmidi snd_seq_midi_event snd_seq isight_firmware snd_timer snd_seq_device drm applesmc snd led_class input_polldev mbp_nvidia_bl lib80211 soundcore snd_page_alloc i2c_algo_bit intel_agp video output lp parport hid_apple usbhid hid firewire_ohci firewire_core crc_itu_t sky2
Pid: 0, comm: swapper Tainted: P        W   2.6.35-20-generic #29-Ubuntu
Call Trace:
 <IRQ>  [<ffffffff8106075f>] warn_slowpath_common+0x7f/0xc0
 [<ffffffff81133ca8>] ? dma_pool_alloc+0x138/0x150
 [<ffffffff810607ba>] warn_slowpath_null+0x1a/0x20
 [<ffffffffa04aea60>] cfg80211_inform_bss_frame+0x1e0/0x1f0 [cfg80211]
 [<ffffffff8148f80d>] ? dev_alloc_skb+0x1d/0x40
 [<ffffffffa04e6ea5>] ieee80211_bss_info_update+0x55/0x220 [mac80211]
 [<ffffffffa04e719d>] ieee80211_scan_rx+0x10d/0x180 [mac80211]
 [<ffffffff81036dd9>] ? default_spin_lock_flags+0x9/0x10
 [<ffffffffa04f9762>] ieee80211_invoke_rx_handlers+0x352/0x400 [mac80211]
 [<ffffffffa04f99ee>] __ieee80211_rx_handle_packet+0x1de/0x420 [mac80211]
 [<ffffffffa04f9cee>] ieee80211_rx+0xbe/0x1a0 [mac80211]
 [<ffffffff8141ed38>] ? ehci_work+0x68/0x80
 [<ffffffffa04e2621>] ieee80211_tasklet_handler+0x101/0x130 [mac80211]
 [<ffffffff81066805>] tasklet_action+0xd5/0xe0
 [<ffffffff81067729>] __do_softirq+0xb9/0x1f0
 [<ffffffff810c9ca7>] ? irq_to_desc+0x17/0x20
 [<ffffffff8100afdc>] call_softirq+0x1c/0x30
 [<ffffffff8100cab5>] do_softirq+0x65/0xa0
 [<ffffffff810675e5>] irq_exit+0x85/0x90
 [<ffffffff815906b5>] do_IRQ+0x75/0xf0
 [<ffffffff81589293>] ret_from_intr+0x0/0x11
 <EOI>  [<ffffffff813353e7>] ? acpi_idle_enter_bm+0x274/0x2ac
 [<ffffffff813353e0>] ? acpi_idle_enter_bm+0x26d/0x2ac
 [<ffffffff81471767>] cpuidle_idle_call+0xa7/0x140
 [<ffffffff81008da3>] cpu_idle+0xb3/0x110
 [<ffffffff8156f27a>] rest_init+0x8a/0x90
 [<ffffffff81aedc9d>] start_kernel+0x387/0x390
 [<ffffffff81aed341>] x86_64_start_reservations+0x12c/0x130
 [<ffffffff81aed43f>] x86_64_start_kernel+0xfa/0x109
---[ end trace 15b1a0b6903e6742 ]---